If you are looking for something more upmarket, Derawan Dive School has several high luxe cabanas with polished wood floors and air conditioning for around 300, 000 rupiah.
If you begin the business school application process early and work consistently over the next several months, you will have the time necessary to assemble the most competitive application possible.
The cumulative message of several recent studies is that there are serious limits to what school can do for you, and this is true at both the low and high ends of the ability distribution.